EN
W415-1710 / B / 08.17.18
33
rough framing - before appliance installation
minimum clearance
5.1.1 minimum clearance to combustible enclosures
single-sided
6” [152mm] minimum
(inside enclosure)
0” to back standoffs
0” to bottom of the
appliance
0” to side standoffs
When passing through a ceiling,
use firestop spacer W500-0028
(not supplied)
1” [25mm] minimum all sides for
sections of vertical venting.
1/2” finishing flange
3” [76mm] to top
(outside of enclosure)
2” [51mm] to sides /
bottom
(outside of enclosure)
When passing through
a wall, use firestop
spacer assembly
W010-4178 (supplied)
0” to non-combustible
finishing such as brick
and stone. When using
non-combustible finish-
ing, only use firestop
spacer (W615-0162)
included in the firestop
assembly (W010-4178)
L
Ref
LVX38
LVX50
LVX62
LVX74
L
73” (185.4cm)
73” (185.4cm)
91” (231.1cm)
91” (231.1cm)
Horizontal vent sections:
A minimum clearance of 3” (76mm) on the top outside of the enclosure and 2” (51mm) on
the sides and bottom outside of the enclosure all around the vent pipe on all horizontal runs to combustibles is required.
Horizontal vent sections within enclosures require a minimum clearance of 6”(152mm) at the top of the vent pipe.
Vertical vent sections:
A minimum of 1” (25mm) all around the vent pipe on all vertical runs to combustibles is required
except for clearances in appliances enclosures. Vertical vent sections within enclosures require a minimum clearance of
1” (25mm) around the vent pipe.
The LVX series requires a minimum enclosure height, as illustrated (dimension L), measured from the bottom of the appli-
ance. For temperature requirements, this area must be left unobstructed. Some venting configurations that require more
vertical rise will require a larger enclosure to provide minimum vertical clearance between vent pipes and combustibles.
note:
